class_docstr: Plugin for the training.log file.
code: def close_file_handler(self, **kw):
      self.log_handler.close()
      log.removeHandler(self.log_handler)
  
file_path: flair/flair/trainers/plugins/loggers/log_file.py
imports: import logging
  from pathlib import Path
  from typing import Any, Dict
  from flair.trainers.plugins.base import TrainerPlugin
  from flair.training_utils import add_file_handler
label_desc: Use image node_id 2 for calling the LogFilePlugin obj's underlying member method code with example usage: obj.close_file_handler() without return types